/Engine/Source/Runtime/Engine/Classes/EdGraph/EdGraphNode.h
Finds the difference in properties of node instance, for arbitrary UStructs
virtual void DiffProperties ( [UStruct](API\Runtime\CoreUObject\UObject\UStruct) * StructA, [UStruct](API\Runtime\CoreUObject\UObject\UStruct) * StructB, uint8 * DataA, uint8 * DataB, [FDiffResults](API\Runtime\Engine\FDiffResults) & Results, [FDiffSingleResult](API\Runtime\Engine\FDiffSingleResult) & Diff ) const